SOLUTION: Evaluate the expression by using logarithms. Round answer to the nearest tenth:
{{{(37.9*sqrt(488))/(1.28)^3}}}
Algebra.Com
Question 877693: Evaluate the expression by using logarithms. Round answer to the nearest tenth:
Found 2 solutions by Alan3354, cigany29:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
--> log(37.9) + 0.5*log(488) - 3log(1.28)
=~ 771.1
----------------
Calculators use logs internally.
Answer by cigany29(23) (Show Source): You can put this solution on YOUR website!
let A =
log A=log
=
=1.5786 +(1/2)*2.6884 - 3*0.1072
=1.5786 + 1.3442 - 0.3216
=2.6012
A=antilog2.6012
A=10^(2.6012)
A=399.2
Check it:
=
=399.2
and that's how to get'er done!
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